Finding the Fourth Proportional to 1,413,860.16, 1,951,135.44 and 769,284.84
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Solution
The fourth proportional to 1,413,860.16, 1,951,135.44 and 769,284.84 is: 1,061,617.66
Step by Step Solution
- Step 1: Write the proportion equation
1,413,860.16 : 1,951,135.44 = 769,284.84 : x - Step 2: Convert to fraction form
1,413,860.16/1,951,135.44 = 769,284.84/x - Step 3: Cross multiply
1,413,860.16x = 1,951,135.44 × 769,284.84 - Step 4: Simplify right side
1,413,860.16x = 1,500,978,914,778.73 - Step 5: Solve for x
x = 1,500,978,914,778.73/1,413,860.16 - Step 6: Final answer
x = 1,061,617.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.